Home / 49,515.81-74,106.95-45,418.83

Finding the Fourth Proportional to 49,515.81, 74,106.95 and 45,418.83

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Solution

The fourth proportional to 49,515.81, 74,106.95 and 45,418.83 is: 67,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.81 : 74,106.95 = 45,418.83 : x
  2. Step 2: Convert to fraction form
    49,515.81/74,106.95 = 45,418.83/x
  3. Step 3: Cross multiply
    49,515.81x = 74,106.95 × 45,418.83
  4. Step 4: Simplify right side
    49,515.81x = 3,365,850,714.35
  5. Step 5: Solve for x
    x = 3,365,850,714.35/49,515.81
  6. Step 6: Final answer
    x = 67,975.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.